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starter.go
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starter.go
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package starter
import (
"context"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"math/big"
"net"
"net/http"
"net/url"
"os"
"os/user"
"path/filepath"
"strings"
"time"
ethcommon "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethclient"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rpc"
"github.com/golang/glog"
"github.com/livepeer/go-livepeer/build"
"github.com/livepeer/go-livepeer/common"
"github.com/livepeer/go-livepeer/core"
"github.com/livepeer/go-livepeer/discovery"
"github.com/livepeer/go-livepeer/eth"
"github.com/livepeer/go-livepeer/eth/blockwatch"
"github.com/livepeer/go-livepeer/eth/watchers"
lpmon "github.com/livepeer/go-livepeer/monitor"
"github.com/livepeer/go-livepeer/pm"
"github.com/livepeer/go-livepeer/server"
"github.com/livepeer/go-livepeer/verification"
"github.com/livepeer/go-tools/drivers"
"github.com/livepeer/livepeer-data/pkg/event"
"github.com/livepeer/lpms/ffmpeg"
)
var (
// The timeout for ETH RPC calls
ethRPCTimeout = 20 * time.Second
// The maximum blocks for the block watcher to retain
blockWatcherRetentionLimit = 20
// Estimate of the gas required to redeem a PM ticket on L1 Ethereum
redeemGasL1 = 350000
// Estimate of the gas required to redeem a PM ticket on L2 Arbitrum
redeemGasL2 = 1200000
// The multiplier on the transaction cost to use for PM ticket faceValue
txCostMultiplier = 100
// The interval at which to clean up cached max float values for PM senders and balances per stream
cleanupInterval = 1 * time.Minute
// The time to live for cached max float values for PM senders (else they will be cleaned up) in seconds
smTTL = 60 // 1 minute
)
const RtmpPort = "1935"
const RpcPort = "8935"
const CliPort = "7935"
type LivepeerConfig struct {
Network *string
RtmpAddr *string
CliAddr *string
HttpAddr *string
ServiceAddr *string
OrchAddr *string
VerifierURL *string
EthController *string
VerifierPath *string
LocalVerify *bool
HttpIngest *bool
Orchestrator *bool
Transcoder *bool
Broadcaster *bool
OrchSecret *string
TranscodingOptions *string
MaxAttempts *int
SelectRandFreq *float64
MaxSessions *int
CurrentManifest *bool
Nvidia *string
Netint *string
TestTranscoder *bool
SceneClassificationModelPath *string
DetectContent *bool
EthAcctAddr *string
EthPassword *string
EthKeystorePath *string
EthOrchAddr *string
EthUrl *string
TxTimeout *time.Duration
MaxTxReplacements *int
GasLimit *int
MinGasPrice *int64
MaxGasPrice *int
InitializeRound *bool
TicketEV *string
MaxFaceValue *string
MaxTicketEV *string
DepositMultiplier *int
PricePerUnit *int
MaxPricePerUnit *int
PixelsPerUnit *int
AutoAdjustPrice *bool
PricePerBroadcaster *string
BlockPollingInterval *int
Redeemer *bool
RedeemerAddr *string
Reward *bool
Monitor *bool
MetricsPerStream *bool
MetricsExposeClientIP *bool
MetadataQueueUri *string
MetadataAmqpExchange *string
MetadataPublishTimeout *time.Duration
Datadir *string
Objectstore *string
Recordstore *string
FVfailGsBucket *string
FVfailGsKey *string
AuthWebhookURL *string
OrchWebhookURL *string
DetectionWebhookURL *string
}
// DefaultLivepeerConfig creates LivepeerConfig exactly the same as when no flags are passed to the livepeer process.
func DefaultLivepeerConfig() LivepeerConfig {
// Network & Addresses:
defaultNetwork := "offchain"
defaultRtmpAddr := "127.0.0.1:" + RtmpPort
defaultCliAddr := "127.0.0.1:" + CliPort
defaultHttpAddr := ""
defaultServiceAddr := ""
defaultOrchAddr := ""
defaultVerifierURL := ""
defaultVerifierPath := ""
// Transcoding:
defaultOrchestrator := false
defaultTranscoder := false
defaultBroadcaster := false
defaultOrchSecret := ""
defaultTranscodingOptions := "P240p30fps16x9,P360p30fps16x9"
defaultMaxAttempts := 3
defaultSelectRandFreq := 0.3
defaultMaxSessions := 10
defaultCurrentManifest := false
defaultNvidia := ""
defaultNetint := ""
defaultTestTranscoder := true
defaultDetectContent := false
defaultSceneClassificationModelPath := "tasmodel.pb"
// Onchain:
defaultEthAcctAddr := ""
defaultEthPassword := ""
defaultEthKeystorePath := ""
defaultEthOrchAddr := ""
defaultEthUrl := ""
defaultTxTimeout := 5 * time.Minute
defaultMaxTxReplacements := 1
defaultGasLimit := 0
defaultMaxGasPrice := 0
defaultEthController := ""
defaultInitializeRound := false
defaultTicketEV := "1000000000000"
defaultMaxFaceValue := "0"
defaultMaxTicketEV := "3000000000000"
defaultDepositMultiplier := 1
defaultMaxPricePerUnit := 0
defaultPixelsPerUnit := 1
defaultAutoAdjustPrice := true
defaultpricePerBroadcaster := ""
defaultBlockPollingInterval := 5
defaultRedeemer := false
defaultRedeemerAddr := ""
defaultMonitor := false
defaultMetricsPerStream := false
defaultMetricsExposeClientIP := false
defaultMetadataQueueUri := ""
defaultMetadataAmqpExchange := "lp_golivepeer_metadata"
defaultMetadataPublishTimeout := 1 * time.Second
// Ingest:
defaultHttpIngest := true
// Verification:
defaultLocalVerify := true
// Storage:
defaultDatadir := ""
defaultObjectstore := ""
defaultRecordstore := ""
// Fast Verification GS bucket:
defaultFVfailGsBucket := ""
defaultFVfailGsKey := ""
// API
defaultAuthWebhookURL := ""
defaultOrchWebhookURL := ""
defaultDetectionWebhookURL := ""
return LivepeerConfig{
// Network & Addresses:
Network: &defaultNetwork,
RtmpAddr: &defaultRtmpAddr,
CliAddr: &defaultCliAddr,
HttpAddr: &defaultHttpAddr,
ServiceAddr: &defaultServiceAddr,
OrchAddr: &defaultOrchAddr,
VerifierURL: &defaultVerifierURL,
VerifierPath: &defaultVerifierPath,
// Transcoding:
Orchestrator: &defaultOrchestrator,
Transcoder: &defaultTranscoder,
Broadcaster: &defaultBroadcaster,
OrchSecret: &defaultOrchSecret,
TranscodingOptions: &defaultTranscodingOptions,
MaxAttempts: &defaultMaxAttempts,
SelectRandFreq: &defaultSelectRandFreq,
MaxSessions: &defaultMaxSessions,
CurrentManifest: &defaultCurrentManifest,
Nvidia: &defaultNvidia,
Netint: &defaultNetint,
TestTranscoder: &defaultTestTranscoder,
SceneClassificationModelPath: &defaultSceneClassificationModelPath,
DetectContent: &defaultDetectContent,
// Onchain:
EthAcctAddr: &defaultEthAcctAddr,
EthPassword: &defaultEthPassword,
EthKeystorePath: &defaultEthKeystorePath,
EthOrchAddr: &defaultEthOrchAddr,
EthUrl: &defaultEthUrl,
TxTimeout: &defaultTxTimeout,
MaxTxReplacements: &defaultMaxTxReplacements,
GasLimit: &defaultGasLimit,
MaxGasPrice: &defaultMaxGasPrice,
EthController: &defaultEthController,
InitializeRound: &defaultInitializeRound,
TicketEV: &defaultTicketEV,
MaxFaceValue: &defaultMaxFaceValue,
MaxTicketEV: &defaultMaxTicketEV,
DepositMultiplier: &defaultDepositMultiplier,
MaxPricePerUnit: &defaultMaxPricePerUnit,
PixelsPerUnit: &defaultPixelsPerUnit,
AutoAdjustPrice: &defaultAutoAdjustPrice,
PricePerBroadcaster: &defaultpricePerBroadcaster,
BlockPollingInterval: &defaultBlockPollingInterval,
Redeemer: &defaultRedeemer,
RedeemerAddr: &defaultRedeemerAddr,
Monitor: &defaultMonitor,
MetricsPerStream: &defaultMetricsPerStream,
MetricsExposeClientIP: &defaultMetricsExposeClientIP,
MetadataQueueUri: &defaultMetadataQueueUri,
MetadataAmqpExchange: &defaultMetadataAmqpExchange,
MetadataPublishTimeout: &defaultMetadataPublishTimeout,
// Ingest:
HttpIngest: &defaultHttpIngest,
// Verification:
LocalVerify: &defaultLocalVerify,
// Storage:
Datadir: &defaultDatadir,
Objectstore: &defaultObjectstore,
Recordstore: &defaultRecordstore,
// Fast Verification GS bucket:
FVfailGsBucket: &defaultFVfailGsBucket,
FVfailGsKey: &defaultFVfailGsKey,
// API
AuthWebhookURL: &defaultAuthWebhookURL,
OrchWebhookURL: &defaultOrchWebhookURL,
DetectionWebhookURL: &defaultDetectionWebhookURL,
}
}
func StartLivepeer(ctx context.Context, cfg LivepeerConfig) {
if *cfg.MaxSessions <= 0 {
glog.Fatal("-maxSessions must be greater than zero")
return
}
if *cfg.Netint != "" && *cfg.Nvidia != "" {
glog.Fatal("both -netint and -nvidia arguments specified, this is not supported")
return
}
blockPollingTime := time.Duration(*cfg.BlockPollingInterval) * time.Second
type NetworkConfig struct {
ethController string
minGasPrice int64
redeemGas int
}
configOptions := map[string]*NetworkConfig{
"rinkeby": {
ethController: "0x9a9827455911a858E55f07911904fACC0D66027E",
redeemGas: redeemGasL1,
},
"arbitrum-one-rinkeby": {
ethController: "0x9ceC649179e2C7Ab91688271bcD09fb707b3E574",
redeemGas: redeemGasL2,
},
"mainnet": {
ethController: "0xf96d54e490317c557a967abfa5d6e33006be69b3",
minGasPrice: int64(params.GWei),
redeemGas: redeemGasL1,
},
"arbitrum-one-mainnet": {
ethController: "0xD8E8328501E9645d16Cf49539efC04f734606ee4",
redeemGas: redeemGasL2,
},
}
// If multiple orchAddr specified, ensure other necessary flags present and clean up list
orchURLs := parseOrchAddrs(*cfg.OrchAddr)
// Setting config options based on specified network
var redeemGas int
minGasPrice := int64(0)
if cfg.MinGasPrice != nil {
minGasPrice = *cfg.MinGasPrice
}
if netw, ok := configOptions[*cfg.Network]; ok {
if *cfg.EthController == "" {
*cfg.EthController = netw.ethController
}
if cfg.MinGasPrice == nil {
minGasPrice = netw.minGasPrice
}
redeemGas = netw.redeemGas
glog.Infof("***Livepeer is running on the %v network: %v***", *cfg.Network, *cfg.EthController)
} else {
redeemGas = redeemGasL1
glog.Infof("***Livepeer is running on the %v network***", *cfg.Network)
}
if *cfg.Datadir == "" {
homedir := os.Getenv("HOME")
if homedir == "" {
usr, err := user.Current()
if err != nil {
glog.Fatalf("Cannot find current user: %v", err)
}
homedir = usr.HomeDir
}
*cfg.Datadir = filepath.Join(homedir, ".lpData", *cfg.Network)
}
//Make sure datadir is present
if _, err := os.Stat(*cfg.Datadir); os.IsNotExist(err) {
glog.Infof("Creating data dir: %v", *cfg.Datadir)
if err = os.MkdirAll(*cfg.Datadir, 0755); err != nil {
glog.Errorf("Error creating datadir: %v", err)
}
}
//Set Gs bucket for fast verification fail case
if *cfg.FVfailGsBucket != "" && *cfg.FVfailGsKey != "" {
drivers.SetCreds(*cfg.FVfailGsBucket, *cfg.FVfailGsKey)
}
//Set up DB
dbh, err := common.InitDB(*cfg.Datadir + "/lpdb.sqlite3")
if err != nil {
glog.Errorf("Error opening DB: %v", err)
return
}
defer dbh.Close()
n, err := core.NewLivepeerNode(nil, *cfg.Datadir, dbh)
if err != nil {
glog.Errorf("Error creating livepeer node: %v", err)
}
if *cfg.OrchSecret != "" {
n.OrchSecret, _ = common.ReadFromFile(*cfg.OrchSecret)
}
var transcoderCaps []core.Capability
if *cfg.Transcoder {
core.WorkDir = *cfg.Datadir
accel := ffmpeg.Software
var devicesStr string
if *cfg.Nvidia != "" {
accel = ffmpeg.Nvidia
devicesStr = *cfg.Nvidia
}
if *cfg.Netint != "" {
accel = ffmpeg.Netint
devicesStr = *cfg.Netint
}
if accel != ffmpeg.Software {
accelName := ffmpeg.AccelerationNameLookup[accel]
tf, dtf, err := core.GetTranscoderFactoryByAccel(accel)
if err != nil {
glog.Fatalf("Error unsupported acceleration: %v", err)
}
// Get a list of device ids
devices, err := common.ParseAccelDevices(devicesStr, accel)
glog.Infof("%v devices: %v", accelName, devices)
if err != nil {
glog.Fatalf("Error while parsing '-%v %v' flag: %v", strings.ToLower(accelName), devices, err)
}
glog.Infof("Transcoding on these %v devices: %v", accelName, devices)
// Test transcoding with specified device
if *cfg.TestTranscoder {
transcoderCaps, err = core.TestTranscoderCapabilities(devices, tf)
if err != nil {
glog.Fatal(err)
return
}
} else {
// no capability test was run, assume default capabilities
transcoderCaps = append(transcoderCaps, core.DefaultCapabilities()...)
}
// initialize Tensorflow runtime on each device to reduce delay when creating new transcoding session
if accel == ffmpeg.Nvidia && *cfg.DetectContent {
if _, err := os.Stat(*cfg.SceneClassificationModelPath); err == nil {
detectorProfile := ffmpeg.DSceneAdultSoccer
detectorProfile.ModelPath = *cfg.SceneClassificationModelPath
core.DetectorProfile = &detectorProfile
for _, d := range devices {
tc, err := core.NewNvidiaTranscoderWithDetector(&detectorProfile, d)
if err != nil {
glog.Fatalf("Could not initialize content detector")
}
defer tc.Stop()
}
// add SceneClassification capability
transcoderCaps = append(transcoderCaps, core.Capability_SceneClassification)
} else {
glog.Fatalf("Content detection is enabled, but the model file '%s' does not exist", *cfg.SceneClassificationModelPath)
}
}
// Initialize LB transcoder
n.Transcoder = core.NewLoadBalancingTranscoder(devices, tf, dtf)
} else {
// for local software mode, enable all capabilities
transcoderCaps = append(core.DefaultCapabilities(), core.OptionalCapabilities()...)
n.Transcoder = core.NewLocalTranscoder(*cfg.Datadir)
}
}
if *cfg.Redeemer {
n.NodeType = core.RedeemerNode
} else if *cfg.Orchestrator {
n.NodeType = core.OrchestratorNode
if !*cfg.Transcoder {
n.TranscoderManager = core.NewRemoteTranscoderManager()
n.Transcoder = n.TranscoderManager
}
} else if *cfg.Transcoder {
n.NodeType = core.TranscoderNode
} else if *cfg.Broadcaster {
n.NodeType = core.BroadcasterNode
} else if (cfg.Reward == nil || !*cfg.Reward) && !*cfg.InitializeRound {
glog.Fatalf("No services enabled; must be at least one of -broadcaster, -transcoder, -orchestrator, -redeemer, -reward or -initializeRound")
}
lpmon.NodeID = *cfg.EthAcctAddr
if lpmon.NodeID != "" {
lpmon.NodeID += "-"
}
hn, _ := os.Hostname()
lpmon.NodeID += hn
if *cfg.Monitor {
if *cfg.MetricsExposeClientIP {
*cfg.MetricsPerStream = true
}
lpmon.Enabled = true
lpmon.PerStreamMetrics = *cfg.MetricsPerStream
lpmon.ExposeClientIP = *cfg.MetricsExposeClientIP
nodeType := lpmon.Default
switch n.NodeType {
case core.BroadcasterNode:
nodeType = lpmon.Broadcaster
case core.OrchestratorNode:
nodeType = lpmon.Orchestrator
case core.TranscoderNode:
nodeType = lpmon.Transcoder
case core.RedeemerNode:
nodeType = lpmon.Redeemer
}
lpmon.InitCensus(nodeType, core.LivepeerVersion)
}
watcherErr := make(chan error)
serviceErr := make(chan error)
var timeWatcher *watchers.TimeWatcher
if *cfg.Network == "offchain" {
glog.Infof("***Livepeer is in off-chain mode***")
if err := checkOrStoreChainID(dbh, big.NewInt(0)); err != nil {
glog.Error(err)
return
}
} else {
var keystoreDir string
if _, err := os.Stat(*cfg.EthKeystorePath); !os.IsNotExist(err) {
keystoreDir, _ = filepath.Split(*cfg.EthKeystorePath)
} else {
keystoreDir = filepath.Join(*cfg.Datadir, "keystore")
}
if keystoreDir == "" {
glog.Errorf("Cannot find keystore directory")
return
}
//Get the Eth client connection information
if *cfg.EthUrl == "" {
glog.Fatal("Need to specify an Ethereum node JSON-RPC URL using -ethUrl")
}
//Set up eth client
backend, err := ethclient.Dial(*cfg.EthUrl)
if err != nil {
glog.Errorf("Failed to connect to Ethereum client: %v", err)
return
}
chainID, err := backend.ChainID(ctx)
if err != nil {
glog.Errorf("failed to get chain ID from remote ethereum node: %v", err)
return
}
if !build.ChainSupported(chainID.Int64()) {
glog.Errorf("node does not support chainID = %v right now", chainID)
return
}
if err := checkOrStoreChainID(dbh, chainID); err != nil {
glog.Error(err)
return
}
var bigMaxGasPrice *big.Int
if *cfg.MaxGasPrice > 0 {
bigMaxGasPrice = big.NewInt(int64(*cfg.MaxGasPrice))
}
gpm := eth.NewGasPriceMonitor(backend, blockPollingTime, big.NewInt(minGasPrice), bigMaxGasPrice)
// Start gas price monitor
_, err = gpm.Start(ctx)
if err != nil {
glog.Errorf("Error starting gas price monitor: %v", err)
return
}
defer gpm.Stop()
am, err := eth.NewAccountManager(ethcommon.HexToAddress(*cfg.EthAcctAddr), keystoreDir, chainID, *cfg.EthPassword)
if err != nil {
glog.Errorf("Error creating Ethereum account manager: %v", err)
return
}
if err := am.Unlock(*cfg.EthPassword); err != nil {
glog.Errorf("Error unlocking Ethereum account: %v", err)
return
}
tm := eth.NewTransactionManager(backend, gpm, am, *cfg.TxTimeout, *cfg.MaxTxReplacements)
go tm.Start()
defer tm.Stop()
ethCfg := eth.LivepeerEthClientConfig{
AccountManager: am,
ControllerAddr: ethcommon.HexToAddress(*cfg.EthController),
EthClient: backend,
GasPriceMonitor: gpm,
TransactionManager: tm,
Signer: types.LatestSignerForChainID(chainID),
CheckTxTimeout: time.Duration(int64(*cfg.TxTimeout) * int64(*cfg.MaxTxReplacements+1)),
}
client, err := eth.NewClient(ethCfg)
if err != nil {
glog.Errorf("Failed to create Livepeer Ethereum client: %v", err)
return
}
if err := client.SetGasInfo(uint64(*cfg.GasLimit)); err != nil {
glog.Errorf("Failed to set gas info on Livepeer Ethereum Client: %v", err)
return
}
if err := client.SetMaxGasPrice(bigMaxGasPrice); err != nil {
glog.Errorf("Failed to set max gas price: %v", err)
return
}
n.Eth = client
addrMap := n.Eth.ContractAddresses()
// Initialize block watcher that will emit logs used by event watchers
blockWatcherClient, err := blockwatch.NewRPCClient(*cfg.EthUrl, ethRPCTimeout)
if err != nil {
glog.Errorf("Failed to setup blockwatch client: %v", err)
return
}
topics := watchers.FilterTopics()
blockWatcherCfg := blockwatch.Config{
Store: n.Database,
PollingInterval: blockPollingTime,
StartBlockDepth: rpc.LatestBlockNumber,
BlockRetentionLimit: blockWatcherRetentionLimit,
WithLogs: true,
Topics: topics,
Client: blockWatcherClient,
}
// Wait until all event watchers have been initialized before starting the block watcher
blockWatcher := blockwatch.New(blockWatcherCfg)
timeWatcher, err = watchers.NewTimeWatcher(addrMap["RoundsManager"], blockWatcher, n.Eth)
if err != nil {
glog.Errorf("Failed to setup roundswatcher: %v", err)
return
}
timeWatcherErr := make(chan error, 1)
go func() {
if err := timeWatcher.Watch(); err != nil {
timeWatcherErr <- fmt.Errorf("roundswatcher failed to start watching for events: %v", err)
}
}()
defer timeWatcher.Stop()
// Initialize unbonding watcher to update the DB with latest state of the node's unbonding locks
unbondingWatcher, err := watchers.NewUnbondingWatcher(n.Eth.Account().Address, addrMap["BondingManager"], blockWatcher, n.Database)
if err != nil {
glog.Errorf("Failed to setup unbonding watcher: %v", err)
return
}
// Start unbonding watcher (logs will not be received until the block watcher is started)
go unbondingWatcher.Watch()
defer unbondingWatcher.Stop()
senderWatcher, err := watchers.NewSenderWatcher(addrMap["TicketBroker"], blockWatcher, n.Eth, timeWatcher)
if err != nil {
glog.Errorf("Failed to setup senderwatcher: %v", err)
return
}
go senderWatcher.Watch()
defer senderWatcher.Stop()
orchWatcher, err := watchers.NewOrchestratorWatcher(addrMap["BondingManager"], blockWatcher, dbh, n.Eth, timeWatcher)
if err != nil {
glog.Errorf("Failed to setup orchestrator watcher: %v", err)
return
}
go orchWatcher.Watch()
defer orchWatcher.Stop()
serviceRegistryWatcher, err := watchers.NewServiceRegistryWatcher(addrMap["ServiceRegistry"], blockWatcher, dbh, n.Eth)
if err != nil {
glog.Errorf("Failed to set up service registry watcher: %v", err)
return
}
go serviceRegistryWatcher.Watch()
defer serviceRegistryWatcher.Stop()
n.Balances = core.NewAddressBalances(cleanupInterval)
defer n.Balances.StopCleanup()
// By default the ticket recipient is the node's address
// If the address of an on-chain registered orchestrator is provided, then it should be specified as the ticket recipient
recipientAddr := n.Eth.Account().Address
if *cfg.EthOrchAddr != "" {
recipientAddr = ethcommon.HexToAddress(*cfg.EthOrchAddr)
}
smCfg := &pm.LocalSenderMonitorConfig{
Claimant: recipientAddr,
CleanupInterval: cleanupInterval,
TTL: smTTL,
RedeemGas: redeemGas,
SuggestGasPrice: client.Backend().SuggestGasPrice,
RPCTimeout: ethRPCTimeout,
}
if *cfg.Orchestrator {
// Set price per pixel base info
if *cfg.PixelsPerUnit <= 0 {
// Can't divide by 0
panic(fmt.Errorf("-pixelsPerUnit must be > 0, provided %d", *cfg.PixelsPerUnit))
}
if cfg.PricePerUnit == nil {
// Prevent orchestrators from unknowingly providing free transcoding
panic(fmt.Errorf("-pricePerUnit must be set"))
}
if *cfg.PricePerUnit < 0 {
panic(fmt.Errorf("-pricePerUnit must be >= 0, provided %d", *cfg.PricePerUnit))
}
n.SetBasePrice("default", big.NewRat(int64(*cfg.PricePerUnit), int64(*cfg.PixelsPerUnit)))
glog.Infof("Price: %d wei for %d pixels\n ", *cfg.PricePerUnit, *cfg.PixelsPerUnit)
if *cfg.PricePerBroadcaster != "" {
ppb := getBroadcasterPrices(*cfg.PricePerBroadcaster)
for _, p := range ppb {
price := big.NewRat(p.PricePerUnit, p.PixelsPerUnit)
n.SetBasePrice(p.EthAddress, price)
glog.Infof("Price: %v set for broadcaster %v", price.RatString(), p.EthAddress)
}
}
n.AutoAdjustPrice = *cfg.AutoAdjustPrice
ev, _ := new(big.Int).SetString(*cfg.TicketEV, 10)
if ev == nil {
glog.Errorf("-ticketEV must be a valid integer, but %v provided. Restart the node with a different valid value for -ticketEV", *cfg.TicketEV)
return
}
if ev.Cmp(big.NewInt(0)) < 0 {
glog.Errorf("-ticketEV must be greater than 0, but %v provided. Restart the node with a different valid value for -ticketEV", *cfg.TicketEV)
return
}
if err := setupOrchestrator(n, recipientAddr); err != nil {
glog.Errorf("Error setting up orchestrator: %v", err)
return
}
sigVerifier := &pm.DefaultSigVerifier{}
validator := pm.NewValidator(sigVerifier, timeWatcher)
var sm pm.SenderMonitor
if *cfg.RedeemerAddr != "" {
*cfg.RedeemerAddr = defaultAddr(*cfg.RedeemerAddr, "127.0.0.1", RpcPort)
rc, err := server.NewRedeemerClient(*cfg.RedeemerAddr, senderWatcher, timeWatcher)
if err != nil {
glog.Error("Unable to start redeemer client: ", err)
return
}
sm = rc
} else {
sm = pm.NewSenderMonitor(smCfg, n.Eth, senderWatcher, timeWatcher, n.Database)
}
// Start sender monitor
sm.Start()
defer sm.Stop()
tcfg := pm.TicketParamsConfig{
EV: ev,
RedeemGas: redeemGas,
TxCostMultiplier: txCostMultiplier,
}
n.Recipient, err = pm.NewRecipient(
recipientAddr,
n.Eth,
validator,
gpm,
sm,
timeWatcher,
tcfg,
)
if err != nil {
glog.Errorf("Error setting up PM recipient: %v", err)
return
}
mfv, _ := new(big.Int).SetString(*cfg.MaxFaceValue, 10)
if mfv == nil {
panic(fmt.Errorf("-maxFaceValue must be a valid integer, but %v provided. Restart the node with a different valid value for -maxFaceValue", *cfg.MaxFaceValue))
return
} else {
n.SetMaxFaceValue(mfv)
}
}
if n.NodeType == core.BroadcasterNode {
ev, _ := new(big.Rat).SetString(*cfg.MaxTicketEV)
if ev == nil {
panic(fmt.Errorf("-maxTicketEV must be a valid rational number, but %v provided. Restart the node with a valid value for -maxTicketEV", *cfg.MaxTicketEV))
}
if ev.Cmp(big.NewRat(0, 1)) < 0 {
panic(fmt.Errorf("-maxTicketEV must not be negative, but %v provided. Restart the node with a valid value for -maxTicketEV", *cfg.MaxTicketEV))
}
if *cfg.DepositMultiplier <= 0 {
panic(fmt.Errorf("-depositMultiplier must be greater than 0, but %v provided. Restart the node with a valid value for -depositMultiplier", *cfg.DepositMultiplier))
}
// Fetch and cache broadcaster on-chain info
info, err := senderWatcher.GetSenderInfo(n.Eth.Account().Address)
if err != nil {
glog.Error("Failed to get broadcaster on-chain info: ", err)
return
}
glog.Info("Broadcaster Deposit: ", eth.FormatUnits(info.Deposit, "ETH"))
glog.Info("Broadcaster Reserve: ", eth.FormatUnits(info.Reserve.FundsRemaining, "ETH"))
n.Sender = pm.NewSender(n.Eth, timeWatcher, senderWatcher, ev, *cfg.DepositMultiplier)
if *cfg.PixelsPerUnit <= 0 {
// Can't divide by 0
panic(fmt.Errorf("The amount of pixels per unit must be greater than 0, provided %d instead\n", *cfg.PixelsPerUnit))
}
if *cfg.MaxPricePerUnit > 0 {
server.BroadcastCfg.SetMaxPrice(big.NewRat(int64(*cfg.MaxPricePerUnit), int64(*cfg.PixelsPerUnit)))
} else {
glog.Infof("Maximum transcoding price per pixel is not greater than 0: %v, broadcaster is currently set to accept ANY price.\n", *cfg.MaxPricePerUnit)
glog.Infoln("To update the broadcaster's maximum acceptable transcoding price per pixel, use the CLI or restart the broadcaster with the appropriate 'maxPricePerUnit' and 'pixelsPerUnit' values")
}
}
if n.NodeType == core.RedeemerNode {
if err := setupOrchestrator(n, recipientAddr); err != nil {
glog.Errorf("Error setting up orchestrator: %v", err)
return
}
r, err := server.NewRedeemer(
recipientAddr,
n.Eth,
pm.NewSenderMonitor(smCfg, n.Eth, senderWatcher, timeWatcher, n.Database),
)
if err != nil {
glog.Errorf("Unable to create redeemer: %v", err)
return
}
*cfg.HttpAddr = defaultAddr(*cfg.HttpAddr, "127.0.0.1", RpcPort)
url, err := url.ParseRequestURI("https://" + *cfg.HttpAddr)
if err != nil {
glog.Error("Could not parse redeemer URI: ", err)
return
}
go func() {
if err := r.Start(url, n.WorkDir); err != nil {
serviceErr <- err
return
}
}()
defer r.Stop()
glog.Infof("Redeemer started on %v", *cfg.HttpAddr)
}
var reward bool
if cfg.Reward == nil {
// If the node address is an on-chain registered address, start the reward service
t, err := n.Eth.GetTranscoder(n.Eth.Account().Address)
if err != nil {
glog.Error(err)
return
}
if t.Status == "Registered" {
reward = true
} else {
reward = false
}
} else {
reward = *cfg.Reward
}
if reward {
// Start reward service
// The node will only call reward if it is active in the current round
rs := eth.NewRewardService(n.Eth, timeWatcher)
go func() {
if err := rs.Start(ctx); err != nil {
serviceErr <- err
}
return
}()
defer rs.Stop()
}
if *cfg.InitializeRound {
// Start round initializer
// The node will only initialize rounds if it in the upcoming active set for the round
initializer := eth.NewRoundInitializer(n.Eth, timeWatcher)
go func() {
if err := initializer.Start(); err != nil {
serviceErr <- err
}
return
}()
defer initializer.Stop()
}
blockWatchCtx, cancel := context.WithCancel(ctx)
defer cancel()
// Backfill events that the node has missed since its last seen block. This method will block
// and the node will not continue setup until it finishes
glog.Infof("Backfilling block events (this can take a while)...\n")
if err := blockWatcher.BackfillEvents(blockWatchCtx); err != nil {
glog.Errorf("Failed to backfill events: %v", err)
return
}
glog.Info("Done backfilling block events")
blockWatcherErr := make(chan error, 1)
go func() {
if err := blockWatcher.Watch(blockWatchCtx); err != nil {
blockWatcherErr <- fmt.Errorf("block watcher error: %v", err)
}
}()
go func() {
var err error
select {
case err = <-timeWatcherErr:
case err = <-blockWatcherErr:
}
watcherErr <- err
}()
}
if *cfg.Objectstore != "" {
prepared, err := drivers.PrepareOSURL(*cfg.Objectstore)
if err != nil {
glog.Error("Error creating object store driver: ", err)
return
}
drivers.NodeStorage, err = drivers.ParseOSURL(prepared, false)
if err != nil {
glog.Error("Error creating object store driver: ", err)
return
}
}
if *cfg.Recordstore != "" {
prepared, err := drivers.PrepareOSURL(*cfg.Recordstore)
if err != nil {
glog.Error("Error creating recordings object store driver: ", err)
return
}
drivers.RecordStorage, err = drivers.ParseOSURL(prepared, true)
if err != nil {
glog.Error("Error creating recordings object store driver: ", err)
return
}
}
core.MaxSessions = *cfg.MaxSessions
if lpmon.Enabled {
lpmon.MaxSessions(core.MaxSessions)
}
if *cfg.AuthWebhookURL != "" {
parsedUrl, err := validateURL(*cfg.AuthWebhookURL)
if err != nil {
glog.Fatal("Error setting auth webhook URL ", err)
}
glog.Info("Using auth webhook URL ", parsedUrl.Redacted())
server.AuthWebhookURL = parsedUrl
}
if *cfg.DetectionWebhookURL != "" {
parsedUrl, err := validateURL(*cfg.DetectionWebhookURL)
if err != nil {
glog.Fatal("Error setting detection webhook URL ", err)
}
glog.Info("Using detection webhook URL ", parsedUrl.Redacted())
server.DetectionWebhookURL = parsedUrl
}
httpIngest := true
if n.NodeType == core.BroadcasterNode {
// default lpms listener for broadcaster; same as default rpc port
// TODO provide an option to disable this?
*cfg.RtmpAddr = defaultAddr(*cfg.RtmpAddr, "127.0.0.1", RtmpPort)
*cfg.HttpAddr = defaultAddr(*cfg.HttpAddr, "127.0.0.1", RpcPort)
bcast := core.NewBroadcaster(n)
// When the node is on-chain mode always cache the on-chain orchestrators and poll for updates
// Right now we rely on the DBOrchestratorPoolCache constructor to do this. Consider separating the logic
// caching/polling from the logic for fetching orchestrators during discovery
if *cfg.Network != "offchain" {
ctx, cancel := context.WithCancel(ctx)
defer cancel()
dbOrchPoolCache, err := discovery.NewDBOrchestratorPoolCache(ctx, n, timeWatcher)
if err != nil {
glog.Fatalf("Could not create orchestrator pool with DB cache: %v", err)